Wheelchair Tiedowns and Occupant Restraint Systems and Standards Last month, we looked at WC19 - the voluntary standard for wheelchairs used as seats in motor vehicles. This month, let's look at Wheelchair Tiedowns and Occupant Restraint Systems (WTORS) and how these work in conjunction with WC19 compliant wheelchairs. (If you missed last month's article, please click here.) 2014-12-15 Keep Reading